UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bel7kTAO+if5SbbxWpHuSWqycFzgCEI0yrsZF/USjUg=' 
WHERE 
  key_id = 'b51e18a6b696207c9380135df0f030d618bece3a24a254e6be19a979f0e9cd45' 
  AND (
    token = 'bel7kTAO+if5SbbxWpHuSWqycFzgCEI0yrsZF/USjUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )