UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eR4rpXpBlDB3e+RiW/9RFiRCpVx/P2tVVA9GUodl8uA=' 
WHERE 
  key_id = '75f5dc1e96ff3243ecb821b194fccbb68927e9e10db58edeb175334bd66df411' 
  AND (
    token = 'eR4rpXpBlDB3e+RiW/9RFiRCpVx/P2tVVA9GUodl8uA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )