UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sp4fCyQJ80c+04ASm1ByTxhnm1TA6MCPRiLiHl10ISg=' 
WHERE 
  key_id = 'fd51dca61fe59118e6e6f17c98ff2033857eaa16f95ea4a95d863aac612e7fca' 
  AND (
    token = 'sp4fCyQJ80c+04ASm1ByTxhnm1TA6MCPRiLiHl10ISg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )