UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6VtZW5+8ZuNTm83Jczlw0p7ieGnT391AZW+IDCY3m58=' 
WHERE 
  key_id = '98c1c19f2b0344a31478278bdfb27d7fc46a35648881921d166d6a90f3a063eb' 
  AND (
    token = '6VtZW5+8ZuNTm83Jczlw0p7ieGnT391AZW+IDCY3m58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )