UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GyxVa1EAFtnTpBrQxTp0u9Wjy/72b/13t5/kHdzLCnY=' 
WHERE 
  key_id = 'b39802237e178c0b9a4ce8ebbe26565eeaa7753b82ae7f9262e86bd4b5db1a1c' 
  AND (
    token = 'GyxVa1EAFtnTpBrQxTp0u9Wjy/72b/13t5/kHdzLCnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028