UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZeUS5VLfrzzYTlf3viR1EAWdbLGs3f65lMbBRCYR+N0=' 
WHERE 
  key_id = '2878927ba3df99a7243edf423337a2fe651d69c1ae21d5ccd0b08c384467fc7b' 
  AND (
    token = 'ZeUS5VLfrzzYTlf3viR1EAWdbLGs3f65lMbBRCYR+N0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )