UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YxzDq5LOLmybWfelXA6arHceBwDI3+w671ujztc3rvk=' 
WHERE 
  key_id = '849d8aad80d26664a5e98f3d6d3574f63c3b11453c764499c1561cd86e4098e6' 
  AND (
    token = 'YxzDq5LOLmybWfelXA6arHceBwDI3+w671ujztc3rvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027