INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b50a8fb9611549a0c2306041afb3601da4f6c60e8c915ca08c91abd02986dc2a', 
    '+zM9HU433jWJEnAqr/8qW8QaIXSWRkyi/jYsbSiozKY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)