The keys are with Jesus. He has the keys to heaven and hell (Revelation 1:18). If you remember Jesus said to Peter, upon THIS Rock I will build MY church. Jesus is the rock.
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GOD IS THE ROCK OF OUR SALVATION
The Old Testament people knew God, not a human being, is their rock.
Deu_32:4 God is the Rock, his work is perfect: for all his ways are judgment: a God of truth and without iniquity, just and right is he. (Jesus is God with us.)
Deu 32:15 But Jeshurun waxed fat, and kicked: thou art waxen fat, thou art grown thick, thou art covered with fatness; then he forsook God, which made him and lightly esteemed the Rock of his salvation.
Deu_32:18 Of the Rock that begat thee thou art unmindful, and hast has forgotten God that formed thee.
1Sa 2:2 There is none holy as the LORD: for there is none beside thee: neither is there any rock like our God.
2Sa 22:3 The God of my rock; in him will I trust: he is my shield, and the horn of my salvation, my high tower, and my refuge, my saviour; thou savest me from violence. (Jesus is our Saviour.)
2Sa 22:32 For who is God, save the LORD? And who is a rock, save our God?
2Sa 22:47 The LORD liveth; and blessed be my rock, and exalted be the God of the rock of my salvation.
2 Sam 23:3 The God of Israel said, the Rock of Israel spake to me, He that ruleth over men must be just, ruling in the fear of God. Here we see God in heaven and God on earth.
Psa_18:2 The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
Psa_18:31 For who is God save the LORD? Or who is a rock save our God?
Psa 18:46 The LORD liveth; and blessed be my rock and let the God of my salvation be exalted.
Psa 19:14 Let the words of my mouth and the meditation of my heart be pleasing before You, O YAHWEH, my Rock and
my Redeemer.
Psa_28:1 A Psalm of David. Unto thee will I cry, O LORD my rock; be not silent to me: lest, if thou be silent to me, I become like them that go down into the pit.
Psa_62:2 He only is my rock and my salvation; he is my defence; I shall not be greatly moved.
Psa_62:6 He only is my rock and my salvation: he is my defence; I shall not be moved.
Psa 78:35 And they remembered God was their rock, and the high God their redeemer.
Psa 89:26 He shall cry unto me, Thou art my father, my God, and the rock of my salvation.
Psa_94:22 But the LORD is my defence, and my God is the rock of my refuge.
1Corithians_10:4 And did all drink the same spiritual drink: for they drank of that spiritual Rock that followed them: and that Rock was Christ.
End of part one.