UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kJ1LY33vjtm4IQ8s5NS79zGcNkz9ClWPks11fgjMml4=' 
WHERE 
  key_id = '51c71628f5df02ad1fe00887f66c8680f7d6396ddf7988d47bdf2b71a6b0b841' 
  AND (
    token = 'kJ1LY33vjtm4IQ8s5NS79zGcNkz9ClWPks11fgjMml4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )