UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y5t9+3FU6xpmg4uSlZq69KRJaIMzPGpvpQKdgyDqJec=' 
WHERE 
  key_id = '820c7523cac16caadd4e32c08935938cff3f455bb37b5281483eb2a4587ceac7' 
  AND (
    token = 'y5t9+3FU6xpmg4uSlZq69KRJaIMzPGpvpQKdgyDqJec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )