UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/I63Sp8oSII2w6xVB7Ax3Joe3t6aZf94tFSR2K0YIw=' 
WHERE 
  key_id = '4280ec1864ca34d1eeb4c054977dffabae597677921da452630a777689e4fd52' 
  AND (
    token = 'S/I63Sp8oSII2w6xVB7Ax3Joe3t6aZf94tFSR2K0YIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )