INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3271b8ff50bf2e1c9fec43e01c7b877f77f528b609b8a6c460a483bfd7abc3a8', 
    '+LJNelDU1pkunUFvmkqJAARWtG/O1b00WrlrLBc+kkM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)