UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EmvPn83A+lrvWMPg2j0cW4qZG3LSOvAm7eSnms0djJ8=' 
WHERE 
  key_id = '37d918e27300c284fe238e9faf29afab9ac53b98603b0215de0b687aed38e90e' 
  AND (
    token = 'EmvPn83A+lrvWMPg2j0cW4qZG3LSOvAm7eSnms0djJ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )