UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZktbcI34M3mXI8YPkjYvGnicF7DbqAulpXi78B2CaDA=' 
WHERE 
  key_id = '8c81b590a0612873b220b357ebbdb37e624cdfbdb3f96ec089308b9f69de5f0d' 
  AND (
    token = 'ZktbcI34M3mXI8YPkjYvGnicF7DbqAulpXi78B2CaDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )