UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plrV9VbVFOe7i7zC77rLUQwoNb8z3SopY1btb+Mzs6M=' 
WHERE 
  key_id = '8eb38d3b073304aef1b9a388dfc924e54156cb3268b4c9093cd6c14769168e57' 
  AND (
    token = 'plrV9VbVFOe7i7zC77rLUQwoNb8z3SopY1btb+Mzs6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )