UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T1JxgJHTtKk5fS2tqN2TwLGD7EdXk7TrC2Q54p6sBRI=' 
WHERE 
  key_id = '342a7d8590608d97fef7f3a4d9d4fa2446baf4c484460ee7131c5d1c2c27a672' 
  AND (
    token = 'T1JxgJHTtKk5fS2tqN2TwLGD7EdXk7TrC2Q54p6sBRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019