UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mg7MBU3wJTYEZgBKL1z9XexSgRBuauC1SD9L/5vPMZQ=' 
WHERE 
  key_id = '252102ae42efda5cbdec6117190ed5b0cadf8caf3776e660aacfc6702f77d729' 
  AND (
    token = 'Mg7MBU3wJTYEZgBKL1z9XexSgRBuauC1SD9L/5vPMZQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )