INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b1bc1ff43b3d083914bbc58637a2f0d5fcddde8e0e718636b45fca4918f128', 
    'RKshrJI7rIBzVPZVqyBCNPQjj6+r5lgwgplThU31si0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)