UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fu6GFSL0x//SOqSING8hK78A/bsYSuU4/BG/F5V0Rzw=' 
WHERE 
  key_id = '4ef6871741f59168e2d57989369ab9b43750a12fdd1b1d744c711a69e4eb4724' 
  AND (
    token = 'fu6GFSL0x//SOqSING8hK78A/bsYSuU4/BG/F5V0Rzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )